Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?

Question

I have migrated a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5

What I am not sure about is the

Answer 1

For those who had problems with update-package -reinstall command, consider running it with -ignoreDependencies flag, like this:

update-package -reinstall  -ignoreDependencies

This flag will leave your package dependencies alone, otherwise they might got updated even if the package you originally wanted reinstall still keeps it's version in same.

More info here.